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Finding the Third Proportional to 70,208 and 151,487

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Solution

The third proportional to 70,208 and 151,487 is: 326,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,208 : 151,487 = 151,487 : x
  2. Step 2: Convert to fraction form
    70,208/151,487 = 151,487/x
  3. Step 3: Cross multiply
    70,208x = 151,487 × 151,487
  4. Step 4: Simplify right side
    70,208x = 22,948,311,169
  5. Step 5: Solve for x
    x = 22,948,311,169/70,208
  6. Step 6: Final answer
    x = 326,861.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.